Home / 1,133,129.10-1,699,693.65-629,244.30

Finding the Fourth Proportional to 1,133,129.10, 1,699,693.65 and 629,244.30

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Solution

The fourth proportional to 1,133,129.10, 1,699,693.65 and 629,244.30 is: 943,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,129.10 : 1,699,693.65 = 629,244.30 : x
  2. Step 2: Convert to fraction form
    1,133,129.10/1,699,693.65 = 629,244.30/x
  3. Step 3: Cross multiply
    1,133,129.10x = 1,699,693.65 × 629,244.30
  4. Step 4: Simplify right side
    1,133,129.10x = 1,069,522,541,008.70
  5. Step 5: Solve for x
    x = 1,069,522,541,008.70/1,133,129.10
  6. Step 6: Final answer
    x = 943,866.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.